Finding the Fourth Proportional to 53,891,716.32, 74,369,700.72 and 29,444,905.44
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Solution
The fourth proportional to 53,891,716.32, 74,369,700.72 and 29,444,905.44 is: 40,633,495.37
Step by Step Solution
- Step 1: Write the proportion equation
53,891,716.32 : 74,369,700.72 = 29,444,905.44 : x - Step 2: Convert to fraction form
53,891,716.32/74,369,700.72 = 29,444,905.44/x - Step 3: Cross multiply
53,891,716.32x = 74,369,700.72 × 29,444,905.44 - Step 4: Simplify right side
53,891,716.32x = 2,189,808,805,301,500 - Step 5: Solve for x
x = 2,189,808,805,301,500/53,891,716.32 - Step 6: Final answer
x = 40,633,495.37
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.